brcm2708: update to latest patches from RPi foundation

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0270-char-vcio-Fail-probe-if-rpi_firmware-is-not-found.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0270-char-vcio-Fail-probe-if-rpi_firmware-is-not-found.patch b/target/linux/brcm2708/patches-4.19/950-0270-char-vcio-Fail-probe-if-rpi_firmware-is-not-found.patch
new file mode 100644 (file)
index 0000000..0ec06ca
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0270-char-vcio-Fail-probe-if-rpi_firmware-is-not-found.patch
@@ -0,0 +1,28 @@
+From 6880e5c73b75be683299debf391eba4f521cc20f Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Thu, 24 Jan 2019 14:03:28 +0000
+Subject: [PATCH] char: vcio: Fail probe if rpi_firmware is not found.
+
+Device Tree is now the only supported config mechanism, therefore
+uncomment the block of code that fails the probe if the
+firmware node can't be found.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/char/broadcom/vcio.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+--- a/drivers/char/broadcom/vcio.c
++++ b/drivers/char/broadcom/vcio.c
+@@ -126,10 +126,9 @@ static int __init vcio_init(void)
+ 
+       np = of_find_compatible_node(NULL, NULL,
+                                    "raspberrypi,bcm2835-firmware");
+-/* Uncomment this when we only boot with Device Tree
+       if (!of_device_is_available(np))
+               return -ENODEV;
+-*/
++
+       vcio.fw = rpi_firmware_get(np);
+       if (!vcio.fw)
+               return -ENODEV;